111121220122022 has 16 divisors (see below), whose sum is σ = 182153173460544. Its totient is φ = 50421187281000.

The previous prime is 111121220122009. The next prime is 111121220122051. The reversal of 111121220122022 is 220221022121111.

It is a super-2 number, since 2×111121220122022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111121220121985 and 111121220122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422898604 + ... + 4422923727.

It is an arithmetic number, because the mean of its divisors is an integer number (11384573341284).

Almost surely, 2^{111121220122022} is an apocalyptic number.

111121220122022 is a deficient number, since it is larger than the sum of its proper divisors (71031953338522).

111121220122022 is a wasteful number, since it uses less digits than its factorization.

111121220122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845822915.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111121220122022 its reverse (220221022121111), we get a palindrome (331342242243133).

The spelling of 111121220122022 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".